import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'

Vue.use(VueRouter)

const routes = [

]

const router = new VueRouter({
        routes: [
            { path: '/', redirect: '/login' },
            { path: '/login', component: Login },
            { path: '/home', component: Home }
        ]
    })
    //路由导航控制访问权限（为登录不让进）
    // to:去哪，from:哪来，next():跳转/放行
router.beforeEach((to, from, next) => {
    if (to.path === '/login') return next()
    const tokenStr = window.sessionStorage.getItem('token')
        //没有token，回登录页
    if (!tokenStr) return next('/login')
    next()
})


export default router